英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Watt的结果
Watt
(n.)
A unit of power or activity equal to 107 C.G.S. units of
power, or to work done at the rate of one joule a second. An English
horse power is approximately equal to 746 watts.